<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <h1 v-bind:title="title">{{message}}</h1>
    </div>
    <script src="../Dev-tools/vue.js"></script>
    <script>
        new Vue({
            data:{
                message:"鼠标放到此处会显示title值",
                // vue-指令：绑定html属性：v-bind:html属性名
                title:"我是title值哈哈哈"
            }
        }).$mount("#app")
    </script>
</body>
</html>